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remocolab.py
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remocolab.py
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import apt, apt.debfile
import pathlib, stat, shutil, urllib.request, subprocess, getpass, time, tempfile
import secrets, json, re
import IPython.utils.io
def _installPkg(cache, name):
pkg = cache[name]
if pkg.is_installed:
print(f"{name} is already installed")
else:
print(f"Install {name}")
pkg.mark_install()
def _installPkgs(cache, *args):
for i in args:
_installPkg(cache, i)
def _download(url, path):
try:
with urllib.request.urlopen(url) as response:
with open(path, 'wb') as outfile:
shutil.copyfileobj(response, outfile)
except:
print("Failed to download ", url)
raise
def _get_gpu_name():
r = subprocess.run(["nvidia-smi", "--query-gpu=name", "--format=csv,noheader"], stdout = subprocess.PIPE, universal_newlines = True)
if r.returncode != 0:
return None
return r.stdout.strip()
def _check_gpu_available():
gpu_name = _get_gpu_name()
if gpu_name == None:
print("This is not a runtime with GPU")
elif gpu_name == "Tesla K80":
print("Warning! GPU of your assigned virtual machine is Tesla K80.")
print("You might get better GPU by reseting the runtime.")
else:
return True
return IPython.utils.io.ask_yes_no("Do you want to continue? [y/n]")
def _setupSSHDImpl(ngrok_token, ngrok_region):
#apt-get update
#apt-get upgrade
cache = apt.Cache()
cache.update()
cache.open(None)
cache.upgrade()
cache.commit()
subprocess.run(["unminimize"], input = "y\n", check = True, universal_newlines = True)
_installPkg(cache, "openssh-server")
cache.commit()
#Reset host keys
for i in pathlib.Path("/etc/ssh").glob("ssh_host_*_key"):
i.unlink()
subprocess.run(
["ssh-keygen", "-A"],
check = True)
#Prevent ssh session disconnection.
with open("/etc/ssh/sshd_config", "a") as f:
f.write("\n\nClientAliveInterval 120\n")
print("ECDSA key fingerprint of host:")
ret = subprocess.run(
["ssh-keygen", "-lvf", "/etc/ssh/ssh_host_ecdsa_key.pub"],
stdout = subprocess.PIPE,
check = True,
universal_newlines = True)
print(ret.stdout)
_download("https://bin.equinox.io/c/4VmDzA7iaHb/ngrok-stable-linux-amd64.zip", "ngrok.zip")
shutil.unpack_archive("ngrok.zip")
pathlib.Path("ngrok").chmod(stat.S_IXUSR)
root_password = secrets.token_urlsafe()
user_password = secrets.token_urlsafe()
user_name = "colab"
print("_"*60)
print("‾"*60)
print(f"root password: {root_password}")
print(f"{user_name} password: {user_password}")
print("_"*90)
print("‾"*90)
subprocess.run(["useradd", "-s", "/bin/bash", "-m", user_name])
subprocess.run(["adduser", user_name, "sudo"], check = True)
subprocess.run(["chpasswd"], input = f"root:{root_password}", universal_newlines = True)
subprocess.run(["chpasswd"], input = f"{user_name}:{user_password}", universal_newlines = True)
subprocess.run(["service", "ssh", "restart"])
if not pathlib.Path('/root/.ngrok2/ngrok.yml').exists():
subprocess.run(["./ngrok", "authtoken", ngrok_token])
ngrok_proc = subprocess.Popen(["./ngrok", "tcp", "-region", ngrok_region, "22"])
time.sleep(2)
if ngrok_proc.poll() != None:
raise RuntimeError("Failed to run ngrok. Return code:" + str(ngrok_proc.returncode) + "\nSee runtime log for more info.")
with urllib.request.urlopen("http://localhost:4040/api/tunnels") as response:
url = json.load(response)['tunnels'][0]['public_url']
m = re.match("tcp://(.+):(\d+)", url)
hostname = m.group(1)
port = m.group(2)
ssh_common_options = "-o UserKnownHostsFile=/dev/null -o VisualHostKey=yes"
print("Command to connect to the ssh server:")
print("‾"*37)
print(f"ssh {ssh_common_options} -p {port} {user_name}@{hostname}")
print("_"*113)
print("‾"*113)
print("If you use VNC:")
print("‾"*15)
print(f"ssh {ssh_common_options} -L 5901:localhost:5901 -p {port} {user_name}@{hostname}")
print("_"*113)
print("‾"*113)
def setupSSHD(ngrok_region = None, check_gpu_available = False):
if check_gpu_available and not _check_gpu_available():
return False
print("---")
print("Copy&paste your tunnel authtoken from https://dashboard.ngrok.com/auth")
print("(You need to sign up for ngrok and login,)")
#Set your ngrok Authtoken.
ngrok_token = getpass.getpass()
if not ngrok_region:
print("Select your ngrok region:")
print("us - United States (Ohio)")
print("eu - Europe (Frankfurt)")
print("ap - Asia/Pacific (Singapore)")
print("au - Australia (Sydney)")
print("sa - South America (Sao Paulo)")
print("jp - Japan (Tokyo)")
print("in - India (Mumbai)")
ngrok_region = region = input()
_setupSSHDImpl(ngrok_token, ngrok_region)
return True
def _setup_nvidia_gl():
# Install TESLA DRIVER FOR LINUX X64.
# Kernel module in this driver is already loaded and cannot be neither removed nor updated.
# (nvidia, nvidia_uvm, nvidia_drm. See dmesg)
# Version number of nvidia driver for Xorg must match version number of these kernel module.
# But existing nvidia driver for Xorg might not match.
# So overwrite them with the nvidia driver that is same version to loaded kernel module.
ret = subprocess.run(
["nvidia-smi", "--query-gpu=driver_version", "--format=csv,noheader"],
stdout = subprocess.PIPE,
check = True,
universal_newlines = True)
nvidia_version = ret.stdout.strip()
nvidia_url = "https://us.download.nvidia.com/tesla/{0}/NVIDIA-Linux-x86_64-{0}.run".format(nvidia_version)
_download(nvidia_url, "nvidia.run")
pathlib.Path("nvidia.run").chmod(stat.S_IXUSR)
subprocess.run(["./nvidia.run", "--no-kernel-module", "--ui=none"], input = "1\n", check = True, universal_newlines = True)
#https://virtualgl.org/Documentation/HeadlessNV
subprocess.run(["nvidia-xconfig",
"-a",
"--allow-empty-initial-configuration",
"--virtual=1920x1200",
"--busid", "PCI:0:4:0"],
check = True
)
with open("/etc/X11/xorg.conf", "r") as f:
conf = f.read()
conf = re.sub('(Section "Device".*?)(EndSection)',
'\\1 MatchSeat "seat-1"\n\\2',
conf,
1,
re.DOTALL)
# conf = conf + """
#Section "Files"
# ModulePath "/usr/lib/xorg/modules"
# ModulePath "/usr/lib/x86_64-linux-gnu/nvidia-418/xorg/"
#EndSection
#"""
with open("/etc/X11/xorg.conf", "w") as f:
f.write(conf)
#!service lightdm stop
subprocess.run(["/opt/VirtualGL/bin/vglserver_config", "-config", "+s", "+f"], check = True)
#user_name = "colab"
#!usermod -a -G vglusers $user_name
#!service lightdm start
# Run Xorg server
# VirtualGL and OpenGL application require Xorg running with nvidia driver to get Hardware 3D Acceleration.
#
# Without "-seat seat-1" option, Xorg try to open /dev/tty0 but it doesn't exists.
# You can create /dev/tty0 with "mknod /dev/tty0 c 4 0" but you will get permision denied error.
subprocess.Popen(["Xorg", "-seat", "seat-1", "-allowMouseOpenFail", "-novtswitch", "-nolisten", "tcp"])
def _setupVNC():
libjpeg_ver = "2.0.3"
virtualGL_ver = "2.6.2"
turboVNC_ver = "2.2.3"
libjpeg_url = "https://liquidtelecom.dl.sourceforge.net/project/libjpeg-turbo/{0}/libjpeg-turbo-official_{0}_amd64.deb".format(libjpeg_ver)
virtualGL_url = "https://liquidtelecom.dl.sourceforge.net/project/virtualgl/{0}/virtualgl_{0}_amd64.deb".format(virtualGL_ver)
turboVNC_url = "https://liquidtelecom.dl.sourceforge.net/project/turbovnc/{0}/turbovnc_{0}_amd64.deb".format(turboVNC_ver)
_download(libjpeg_url, "libjpeg-turbo.deb")
_download(virtualGL_url, "virtualgl.deb")
_download(turboVNC_url, "turbovnc.deb")
cache = apt.Cache()
apt.debfile.DebPackage("libjpeg-turbo.deb", cache).install()
apt.debfile.DebPackage("virtualgl.deb", cache).install()
apt.debfile.DebPackage("turbovnc.deb", cache).install()
_installPkgs(cache, "xfce4", "xfce4-terminal")
cache.commit()
vnc_sec_conf_p = pathlib.Path("/etc/turbovncserver-security.conf")
vnc_sec_conf_p.write_text("""\
no-remote-connections
no-httpd
no-x11-tcp-connections
""")
gpu_name = _get_gpu_name()
if gpu_name != None:
_setup_nvidia_gl()
vncrun_py = tempfile.gettempdir() / pathlib.Path("vncrun.py")
vncrun_py.write_text("""\
import subprocess, secrets, pathlib
vnc_passwd = secrets.token_urlsafe()[:8]
vnc_viewonly_passwd = secrets.token_urlsafe()[:8]
print("_"*33)
print("‾"*33)
print("VNC password: {}".format(vnc_passwd))
print("VNC view only password: {}".format(vnc_viewonly_passwd))
print("_"*56)
print("‾"*56)
print("Script credits goes to: https://github.com/demotomohiro")
print("")
print("To get more tutorials like this,")
print("subscribe to the YT channel: https://bit.ly/sudoken-youtube-channel")
print("_"*67)
print("‾"*67)
print(" ███████ ██ ██ ██████ ██████ ██ ██ ███████ ███ ██ ")
print(" ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ████ ██ ")
print(" ███████ ██ ██ ██ ██ ██ ██ █████ █████ ██ ██ ██ ")
print(" ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ")
print(" ███████ ██████ ██████ ██████ ██ ██ ███████ ██ ████ ")
print("_"*67)
print("‾"*67)
vncpasswd_input = "{0}\\n{1}".format(vnc_passwd, vnc_viewonly_passwd)
vnc_user_dir = pathlib.Path.home().joinpath(".vnc")
vnc_user_dir.mkdir(exist_ok=True)
vnc_user_passwd = vnc_user_dir.joinpath("passwd")
with vnc_user_passwd.open('wb') as f:
subprocess.run(
["/opt/TurboVNC/bin/vncpasswd", "-f"],
stdout=f,
input=vncpasswd_input,
universal_newlines=True)
vnc_user_passwd.chmod(0o600)
subprocess.run(
["/opt/TurboVNC/bin/vncserver"]
)
#Disable screensaver because no one would want it.
(pathlib.Path.home() / ".xscreensaver").write_text("mode: off\\n")
""")
r = subprocess.run(
["su", "-c", "python3 " + str(vncrun_py), "colab"],
check = True,
stdout = subprocess.PIPE,
universal_newlines = True)
print(r.stdout)
def setupVNC(ngrok_region = None):
if setupSSHD(ngrok_region, True):
_setupVNC()